#header
{
	width: 100%;
	margin: 0 auto;
	text-align: center;
}
#header h1
{
	font-family: Arial;
	font-size: 40px;
	font-weight: bold;
}
#header #newGameButton
{
	display: block;
	width: 100px;
	margin: 20px auto;
	background-color: #8f7a66;
	padding: 10px 10px;
	border-radius: 10px;
	font-family: Arial;
	color: white;
	text-decoration: none;
}
#header #newGameButton:hover
{
	background-color: #9f8b77;
}
#header p
{
	font-family: Arial;
	font-size: 25px;
	margin: 20px auto;
}
.grid-container
{
	width: 460px;
	height: 460px;
	padding: 20px;
	margin: 50px auto;
	background-color: #bbada0;
	border-radius: 10px;
	position: relative;
}
.grid-cell
{
	width: 100px;
	height: 100px;
	border-radius: 6px;
	position: absolute;
	background-color: #ccc0b3;
}
.number-cell{
    border-radius: 6px;

    font-family: Arial;
    font-weight:bold;
    font-size:60px;
    line-height:100px;
    text-align:center;

    position:absolute;
}